PO = 125 W and Pin = 2.3 W. Find AP.
a. 34.7 dB
b. 27.2 dB
c. 19.2 dB
d. 18.8 dB
e. 17.4 dB
e. 17.4 dB
Mathematics
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Add or subtract. Simplify if possible.
- 
A. 7x
B. 0
C. 
D. 
Mathematics
Solve the problem.The following figure shows the shape and dimensions of a small dam. Assuming the water level is at the top of the dam, find the total force on the face of the dam. Round to one decimal place when appropriate. 
A. 264,600,000 N B. 88,200,000 N C. 294,000 N D. 176,400,000 N
Mathematics
Rewrite the quadratic equation in the form ax2 + bx + c = 0, then identify a, b, and c. 6x2 = 12x - 25
A. a = 6, b = 12, c = 25 B. a = 6, b = -12, c = -25 C. a = 6, b = -12, c = 25 D. a = 6, b = 12, c = -25
Mathematics
The vector x is in a subspace H with a basis ? = {b1, b2}. Find the ?-coordinate vector of x.b1 = 
, b2 = 
, x = 
A. 
B. 
C. 
D. 
Mathematics